Everett weather in September: Everett, Washington: normal highs, lows, rain and records for September
Everett in September has a normal high of 68°F and a normal low of 52°F, a daily mean of 60°F, falling from 71°F on the 1st to 63°F by the 30th. Measurable precipitation falls on 13 days in a normal September, 1.68 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 11°C, 43 mm of precipitation in September.
- NOAA stationEverett Snohomish Airport
- Station IDUSW00024222
- Location47.91°N 122.28°W
- Elevation606 ft (185 m)
- Population113,011
- Jan 46° 37°
- Feb 48° 37°
- Mar 52° 39°
- Apr 56° 43°
- May 63° 48°
- Jun 66° 51°
- Jul 72° 55°
- Aug 73° 55°
- Sep 68° 52°
- Oct 58° 46°
- Nov 50° 40°
- Dec 45° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Everett in September?
The normal high is 68°F and the normal low 52°F, for a daily mean of 60.0°F. September is 4.2°F cooler than August and 8.1°F warmer than October. September is the 3rd warmest month of the year in Everett and the 10th wettest. Across the month the normal high falls 8°F, from 71°F on September 1 to 63°F on September 30. From one year to the next September's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 58°F and 62°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 50%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 71°F | 54°F | 30% | 12% |
| September 8 | 70°F | 54°F | 36% | 14% |
| September 15 | 68°F | 53°F | 41% | 16% |
| September 22 | 66°F | 51°F | 46% | 18% |
| September 30 | 63°F | 50°F | 50% | 20% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 71°F | 54°F | 30% | 12% | 13 h 30 min |
| September 2 | 71°F | 54°F | 31% | 13% | 13 h 20 min |
| September 3 | 71°F | 54°F | 32% | 13% | 13 h 20 min |
| September 4 | 71°F | 54°F | 33% | 13% | 13 h 20 min |
| September 5 | 71°F | 54°F | 33% | 13% | 13 h 10 min |
| September 6 | 70°F | 54°F | 34% | 14% | 13 h 10 min |
| September 7 | 70°F | 54°F | 35% | 14% | 13 h 10 min |
| September 8 | 70°F | 54°F | 36% | 14% | 13 h |
| September 9 | 70°F | 54°F | 36% | 14% | 13 h |
| September 10 | 70°F | 53°F | 37% | 14% | 13 h |
| September 11 | 69°F | 53°F | 38% | 15% | 12 h 50 min |
| September 12 | 69°F | 53°F | 39% | 15% | 12 h 50 min |
| September 13 | 69°F | 53°F | 40% | 15% | 12 h 50 min |
| September 14 | 68°F | 53°F | 40% | 15% | 12 h 40 min |
| September 15 | 68°F | 53°F | 41% | 16% | 12 h 40 min |
| September 16 | 68°F | 52°F | 42% | 16% | 12 h 40 min |
| September 17 | 68°F | 52°F | 43% | 16% | 12 h 30 min |
| September 18 | 67°F | 52°F | 44% | 17% | 12 h 30 min |
| September 19 | 67°F | 52°F | 44% | 17% | 12 h 30 min |
| September 20 | 67°F | 52°F | 45% | 17% | 12 h 20 min |
| September 21 | 66°F | 52°F | 45% | 17% | 12 h 20 min |
| September 22 | 66°F | 51°F | 46% | 18% | 12 h 20 min |
| September 23 | 66°F | 51°F | 46% | 18% | 12 h 10 min |
| September 24 | 65°F | 51°F | 47% | 18% | 12 h 10 min |
| September 25 | 65°F | 51°F | 48% | 18% | 12 h 10 min |
| September 26 | 65°F | 51°F | 48% | 19% | 12 h |
| September 27 | 64°F | 50°F | 48% | 19% | 12 h |
| September 28 | 64°F | 50°F | 49% | 19% | 11 h 50 min |
| September 29 | 64°F | 50°F | 49% | 20% | 11 h 50 min |
| September 30 | 63°F | 50°F | 50% | 20% | 11 h 50 min |
- Normal high
- 68°FSeptember average
- Normal low
- 52°FSeptember average
- Precipitation
- 1.68 inmonth total
- Days with precipitation
- 130.01 inch or more
- Daylight
- 13 h 30 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 10
- Days at 80°F or more
- 1
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024222; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Everett in September?
On a given September day the chance of 0.01 inch or more is 41% on average, highest around September 30 (50%). In all, 1.68 in falls on 13 days of a normal September.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024222.
What are the records for September in Everett?
The warmest September temperature on this station's record (since 1948) is 88°F, on September 21, 1950; the coldest is 37°F, on September 24, 1948. The wettest September brought 3.96 in (2021).
The September mean against the 1991-2020 normal of 60.0°F: 2021 59.9°F (−0.1), 2022 63.2°F (+3.2), 2023 61.0°F (+1.0), 2024 62.5°F (+2.5), 2026 58.6°F (−1.4). 3 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 59.9°F | −0.1°F | 3.96 in |
| 2022 | 63.2°F | +3.2°F | 0.07 in |
| 2023 | 61.0°F | +1.0°F | 2.42 in |
| 2024 | 62.5°F | +2.5°F | 1.32 in |
| 2026 | 58.6°F | −1.4°F | 1.27 in |
Source: records: ACIS, station USW00024222; recent months: ACIS, station USW00024222. Records and recent months use complete months only.
How does September in Everett compare across Washington?
Across the 96 places PlainClimate covers in Washington, September normal highs run from 66°F in Coupeville to 81°F in Pasco; Everett's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.